{"instruction": "You are an expert in named entity recognition. Please extract entities that match the schema definition from the input. Return an empty list if the entity type does not exist. Please respond in the format of a JSON string.", "schema": ["GENE"], "input": "The cDNA segment is flanked by the immunoglobulin gene recombination signal sequences so that the cDNA segment can invert and the human IL - 2R L chain is subsequently expressed under the control of the SV40 promoter ."}
{"GENE": ["immunoglobulin gene recombination signal sequences", "human IL - 2R L chain", "SV40 promoter"]}